IEEE Photonics Journal (Jan 2016)

Multiwavelength Laser Module Based on Distribute Feedback Laser Diode for Broadcast and Communication Systems

  • P. C. Peng,
  • K. C. Shiu,
  • Y. M. Chen,
  • M. A. Bitew,
  • W. Y. Lee,
  • C. H. Lai,
  • Y. W. Peng

DOI
https://doi.org/10.1109/JPHOT.2016.2591440
Journal volume & issue
Vol. 8, no. 4
pp. 1 – 8

Abstract

Read online

In this paper, we proposed a cost-effective broadcast signal transmission scheme using a distributed feedback laser diode (DFB-LD) for wavelength-division-multiplexing passive optical network (WDM-PON) systems. The DFB-LD is directly modulated with a single-tone radio frequency signal to generate multiple optical carriers. An optical signal-to-noise ratio (OSNR) is enhanced using a delay interferometer as a double-pass interferometer. Orthogonal frequency division multiplexing (OFDM) and on-off keying (OOK) signals are experimentally demonstrated to test the broadcasting scheme. We measured the bit-error-rate (BER) and the power penalty after the broadcasting OFDM and OOK signals are transmitted through a 25-km single-mode fiber. An excellent performance of BER is achieved for both OOK and OFDM signals. The proposed scheme is a practical and cost-effective solution for broadcast signal transmissions in WDM-PON systems.

Keywords